19066160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3907}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 45067056

約数和(自身を除く): 26000896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3907, 4880, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 156280, 238327, 312560, 476654, 953308, 1191635, 1906616, 2383270, 3813232, 4766540, 9533080, 19066160]

約数ペア:

[(1, 19066160), (2, 9533080), (4, 4766540), (5, 3813232), (8, 2383270), (10, 1906616), (16, 1191635), (20, 953308), (40, 476654), (61, 312560), (80, 238327), (122, 156280), (244, 78140), (305, 62512), (488, 39070), (610, 31256), (976, 19535), (1220, 15628), (2440, 7814), (3907, 4880)]